<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled Document</title>
<script>
var json = {a:12, b:5};
	
	for( var i in json)
		{
			alert(i + '_' + json[i])
		}
</script>
</head>

<body>
</body>
</html>
